| Primary satellite | Secondary satellite |
| Name | IRIDIUM 100 | deb Delta 139 |
| Spacetrack catalog number | 42956 | 13566 |
| Radar cross section | large | small |
| Epoch of two-line elements (UTC) | 2024 Dec 23 02:38 | 2024 Dec 22 13:51 |
| Time of closest approach (UTC) | 2024 Dec 27 04:07:55.357 |
| Minimum distance | 2.731 km |
| Height difference | -0.019 km |
| Relative speed | 13.820 km/s |
| Angle between velocity vectors | 136° |
| Geographic position | 80.5°N, 113.5°E |
| Height | 790 km |
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